head to head · open source
VictoriaMetrics vs cayley
VictoriaMetrics has 18,000 GitHub stars, 1,795 forks, 800 open issues and last shipped yesterday. cayley has 15,067 stars, 1,234 forks, 93 open issues and last shipped 2 months ago. VictoriaMetrics leads on adoption by 19% (18,000 vs 15,067 stars). VictoriaMetrics is written in Go under Apache-2.0; cayley is written in Go under Apache-2.0. VictoriaMetrics has attracted 10% as many forks as stars, cayley 8%. VictoriaMetrics was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| VictoriaMetrics | cayley | |
|---|---|---|
| GitHub stars | ★ 18K | ★ 15K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-11-02 | 2026-08-27 |
| Forks | ⑂ 1.8K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick VictoriaMetrics if
- You weight community size — 18K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick cayley if
- You want the cayley feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and cayley fits your workflow better
About VictoriaMetrics
VictoriaMetrics VictoriaMetrics is a fast, cost effective, and scalable solution for monitoring and managing time series data. It delivers high performance and reliability, making it an ideal choice for businesses of all sizes. Here are some resources and information about VictoriaMetrics: Case studies : Grammarly, Roblox, Wix, Spotify,.... Available : Binary releases, Docker images on Docker Hub and Quay, Source code. Deployment types : Single node version and Cluster version under Apache License 2.0. Getting started: Read key concepts and follow the quick start guide. Community : Slack (join via Slack…
read the full VictoriaMetrics overview →
About cayley
Cayley is an open source database for Linked Data. It is inspired by the graph database behind Google's Knowledge Graph (formerly Freebase)). Documentation Features Built in query editor, visualizer and REPL Multiple query languages: Gizmo: query language inspired by Gremlin GraphQL inspired query language MQL: simplified version for Freebase) fans Modular: easy to connect to your favorite programming languages and back end stores Production ready: well tested and used by various companies for their production workloads Fast: optimized specifically for usage in applications Performance Rough performance testing…
read the full cayley overview →
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Frequently asked questions
Is VictoriaMetrics or cayley more popular?
VictoriaMetrics has 18,000 GitHub stars and cayley has 15,067. VictoriaMetrics has the larger community by that measure.
Are VictoriaMetrics and cayley free?
Both are open source. VictoriaMetrics is licensed under Apache-2.0 and cayley under Apache-2.0. Neither carries a licence fee.
What is the difference between VictoriaMetrics and cayley?
VictoriaMetrics is written in Go and cayley in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, VictoriaMetrics or cayley?
Choose VictoriaMetrics if you want the larger community (18,000 stars) or its Apache-2.0 licence terms. Choose cayley if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.